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vuln-cve/data/2023/32xxx/CVE-2023-32731.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"cveMetadata": {
"cveId": "CVE-2023-32731",
"assignerOrgId": "14ed7db2-1595-443d-9d34-6215bf890778",
"state": "PUBLISHED",
"assignerShortName": "Google",
"dateReserved": "2023-05-12T08:58:54.033Z",
"datePublished": "2023-06-09T10:54:08.472Z",
"dateUpdated": "2024-09-26T19:12:06.245Z"
},
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "gRPC",
"repo": "https://github.com/grpc",
"vendor": "Google",
"versions": [
{
"lessThanOrEqual": "1.54",
"status": "affected",
"version": "1.53",
"versionType": "custom"
}
]
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "When gRPC HTTP2 stack raised a header size exceeded error, it skipped parsing the rest of the HPACK frame. This caused any HPACK table mutations to also be skipped, resulting in a desynchronization of HPACK tables between sender and receiver. If leveraged, say, between a proxy and a backend, this could lead to requests from the proxy being interpreted as containing headers from different proxy clients - leading to an information leak that can be used for privilege escalation or data exfiltration. We recommend upgrading beyond the commit contained in&nbsp;<a target=\"_blank\" rel=\"nofollow\" href=\"https://github.com/grpc/grpc/pull/33005\">https://github.com/grpc/grpc/pull/33005</a><br>"
}
],
"value": "When gRPC HTTP2 stack raised a header size exceeded error, it skipped parsing the rest of the HPACK frame. This caused any HPACK table mutations to also be skipped, resulting in a desynchronization of HPACK tables between sender and receiver. If leveraged, say, between a proxy and a backend, this could lead to requests from the proxy being interpreted as containing headers from different proxy clients - leading to an information leak that can be used for privilege escalation or data exfiltration. We recommend upgrading beyond the commit contained in  https://github.com/grpc/grpc/pull/33005 https://github.com/grpc/grpc/pull/33005 \n"
}
],
"impacts": [
{
"capecId": "CAPEC-220",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-220 Client-Server Protocol Manipulation"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.4,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-440",
"description": "CWE-440: Expected Behavior Violation",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"orgId": "14ed7db2-1595-443d-9d34-6215bf890778",
"shortName": "Google",
"dateUpdated": "2023-06-13T15:26:24.636Z"
},
"references": [
{
"url": "https://github.com/grpc/grpc/pull/32309"
},
{
"url": "https://github.com/grpc/grpc/pull/33005"
}
],
"solutions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "Fixes available in these releases:<br>- 1.52.2: <a target=\"_blank\" rel=\"nofollow\" href=\"https://github.com/grpc/grpc/releases/tag/v1.52.2\">https://github.com/grpc/grpc/releases/tag/v1.52.2</a><br>- 1.53.1: <a target=\"_blank\" rel=\"nofollow\" href=\"https://github.com/grpc/grpc/releases/tag/v1.53.1\">https://github.com/grpc/grpc/releases/tag/v1.53.1</a><br>- 1.54.2: <a target=\"_blank\" rel=\"nofollow\" href=\"https://github.com/grpc/grpc/releases/tag/v1.54.2\">https://github.com/grpc/grpc/releases/tag/v1.54.2</a><br>- 1.55.0: <a target=\"_blank\" rel=\"nofollow\" href=\"https://github.com/grpc/grpc/releases/tag/v1.55.0\">https://github.com/grpc/grpc/releases/tag/v1.55.0</a><br><br>"
}
],
"value": "Fixes available in these releases:\n- 1.52.2: https://github.com/grpc/grpc/releases/tag/v1.52.2 https://github.com/grpc/grpc/releases/tag/v1.52.2 \n- 1.53.1: https://github.com/grpc/grpc/releases/tag/v1.53.1 https://github.com/grpc/grpc/releases/tag/v1.53.1 \n- 1.54.2: https://github.com/grpc/grpc/releases/tag/v1.54.2 https://github.com/grpc/grpc/releases/tag/v1.54.2 \n- 1.55.0: https://github.com/grpc/grpc/releases/tag/v1.55.0 https://github.com/grpc/grpc/releases/tag/v1.55.0 \n\n"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "Information leak in gRPC",
"x_generator": {
"engine": "Vulnogram 0.1.0-dev"
}
},
"adp": [
{
"providerMetadata": {
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE",
"dateUpdated": "2024-08-02T15:25:37.017Z"
},
"title": "CVE Program Container",
"references": [
{
"url": "https://github.com/grpc/grpc/pull/32309",
"tags": [
"x_transferred"
]
},
{
"url": "https://github.com/grpc/grpc/pull/33005",
"tags": [
"x_transferred"
]
}
]
},
{
"affected": [
{
"vendor": "grpc",
"product": "grpc",
"cpes": [
"cpe:2.3:a:grpc:grpc:*:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"versions": [
{
"version": "1.53",
"status": "affected",
"lessThanOrEqual": "1.54",
"versionType": "custom"
}
]
}
],
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2024-09-26T19:07:16.164767Z",
"id": "CVE-2023-32731",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2024-09-26T19:12:06.245Z"
}
}
]
}
}
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